About: http://webisa.webdatacommons.org/207284632

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Roof tiles are designed mainly to keep out rain, and are traditionally made from locally available materials such as clay or slate.
http://www.w3.org/ns/prov#wasQuotedFrom	newworldencyclopedia.org